updated 04:40 pm EDT, Thu June 23, 2011
10.6.8 preps for Lion upgrade
Apple has posted Mac OS X 10.6.8, what may be the final major update of Snow Leopard. One of the key features of the code is in fact preparation of the Mac App Store for Mac OS X Lion, which will launch sometime in July. The update is also designed to close several security holes, scrub "known variants" of Mac Defender, and improve VPN reliability as well as support for IPv6 networking.
Fixed is a bug that caused Preview to spontaneously quit. The regular client delta version of 10.6.8 is a 474.2MB download, and requires an existing install of v10.6.7. The combo update, usable by all Snow Leopard client owners, weighs in at 1.09GB. Server editions of the software solve problems with vacation mail notices, Time Machine sharepoints, iCal Server and using Software Update Server. To go with them Apple has posted new Server Admin Tools.
Leopard users can download Security Update 2011-004 in client and server forms. In addition to coping with vulnerabilities addressed by v10.6.8, such as ones with AppleIDs and CoreGraphics, 2011-004 also deals with unique flaws in AirPort, ColorSync and Samba.